Bath tub



FIG. 1 is a perspective view of a bath tub showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross sectional view thereof, taken on line 3--3 of FIG. 2;

FIG. 4 is a cross sectional view thereof, taken on line 4--4 of FIG. 2.

FIG. 5 is a side elevational view of the bath tub as seen from the topof FIG. 2;

FIG. 6 is a side elevational view of the bath tub as seen from the lefthand side of FIG. 2; and

FIG. 7 is a side elevational view of the bath tub as seen from thebottom of FIG. 2.

The ornamental design for a bath tub, as shown and described.